On 14/12/2017 03:38, Yan, Zheng wrote: > On Thu, Dec 14, 2017 at 12:49 AM, Florent B <florent@xxxxxxxxxxx> wrote: >> >> Systems are on Debian Jessie : kernel 3.16.0-4-amd64 & libfuse 2.9.3-15. >> >> I don't know pattern of corruption, but according to error message in >> Dovecot, it seems to expect data to read but reach EOF. >> >> All seems fine using fuse_disable_pagecache (no more corruption, and >> performance increased : no more MDS slow requests on filelock requests). > > I checked ceph-fuse changes since kraken, didn't find any clue. I > would be helpful if you can try recent version kernel. > > Regards > Yan, Zheng Problem occurred this morning even with fuse_disable_pagecache=true. It seems to be a lock issue between imap & lmtp processes. Dovecot uses fcntl as locking method. Is there any change about it in Luminous ? I switched to flock to see if problem is still there... _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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